Comparing gRPC and REST: A Comparative Analysis

Features	gRPC	REST
HTTP 1.1 vs HTTP 2	Follows a client-response model of communication and is built on HTTP 2, which allows for: streaming communication and bidirectional support.	Follows a request-response model of communication and is typically built on HTTP 1.1.
Browser Support	Limited browser support. gRPC requires gRPC-web and a proxy layer to perform conversions between HTTP 1.1 and HTTP 2.	Universal browser support.
Payload Data Structure	gRPC uses Protocol Buffer by default to serialize payload data.	REST mainly relies on JSON or XML formats to send and receive data.
Code Generation Features	gRPC has native code generation features.	Developers must use a third-party tool like Swagger or Postman to produce code for API requests.